Home / 386,615.71-579,976.28-224,585.88

Finding the Fourth Proportional to 386,615.71, 579,976.28 and 224,585.88

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Solution

The fourth proportional to 386,615.71, 579,976.28 and 224,585.88 is: 336,909.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    386,615.71 : 579,976.28 = 224,585.88 : x
  2. Step 2: Convert to fraction form
    386,615.71/579,976.28 = 224,585.88/x
  3. Step 3: Cross multiply
    386,615.71x = 579,976.28 × 224,585.88
  4. Step 4: Simplify right side
    386,615.71x = 130,254,483,222.93
  5. Step 5: Solve for x
    x = 130,254,483,222.93/386,615.71
  6. Step 6: Final answer
    x = 336,909.44

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.